CN113078976A - 一种时钟端口属性恢复方法、设备及系统 - Google Patents

一种时钟端口属性恢复方法、设备及系统 Download PDF

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Publication number
CN113078976A
CN113078976A CN202010136536.1A CN202010136536A CN113078976A CN 113078976 A CN113078976 A CN 113078976A CN 202010136536 A CN202010136536 A CN 202010136536A CN 113078976 A CN113078976 A CN 113078976A
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CN
China
Prior art keywords
value
port
network device
clock
message
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010136536.1A
Other languages
English (en)
Chinese (zh)
Inventor
吕京飞
张亚伟
王锦辉
李�浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to JP2022541659A priority Critical patent/JP7451721B2/ja
Priority to EP21738393.4A priority patent/EP4068659B1/en
Priority to KR1020227023544A priority patent/KR102684118B1/ko
Priority to PCT/CN2021/070507 priority patent/WO2021139692A1/zh
Publication of CN113078976A publication Critical patent/CN113078976A/zh
Priority to US17/857,412 priority patent/US20220337384A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN202010136536.1A 2020-01-06 2020-03-02 一种时钟端口属性恢复方法、设备及系统 Pending CN113078976A (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022541659A JP7451721B2 (ja) 2020-01-06 2021-01-06 クロックポート属性回復方法、デバイス、およびシステム
EP21738393.4A EP4068659B1 (en) 2020-01-06 2021-01-06 Clock port attribute recovery method, device, and system
KR1020227023544A KR102684118B1 (ko) 2020-01-06 2021-01-06 클록 포트 속성 복원 방법, 디바이스, 및 시스템
PCT/CN2021/070507 WO2021139692A1 (zh) 2020-01-06 2021-01-06 一种时钟端口属性恢复方法, 设备及系统
US17/857,412 US20220337384A1 (en) 2020-01-06 2022-07-05 Clock Port Attribute Recovery Method, Device, and System

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010011547 2020-01-06
CN2020100115477 2020-01-06

Publications (1)

Publication Number Publication Date
CN113078976A true CN113078976A (zh) 2021-07-06

Family

ID=76609104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010136536.1A Pending CN113078976A (zh) 2020-01-06 2020-03-02 一种时钟端口属性恢复方法、设备及系统

Country Status (6)

Country Link
US (1) US20220337384A1 (ja)
EP (1) EP4068659B1 (ja)
JP (1) JP7451721B2 (ja)
KR (1) KR102684118B1 (ja)
CN (1) CN113078976A (ja)
WO (1) WO2021139692A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394264B (zh) * 2007-09-21 2012-01-25 华为技术有限公司 周期性报文传递的监控方法及装置
CN103051406B (zh) * 2011-10-17 2017-02-08 中兴通讯股份有限公司 一种1588‑2008协议中时钟同步的方法及系统
US9106352B2 (en) * 2012-02-27 2015-08-11 Telefonaktiebolaget L M Ericsson (Publ) Frequency distribution using precision time protocol
WO2017130034A1 (en) * 2016-01-27 2017-08-03 Telefonaktiebolaget Lm Ericsson (Publ) A method of timing loop prevention for the precision time protocol (ptp) with g.8275.1 profile
US20230198738A1 (en) * 2021-12-21 2023-06-22 Cisco Technology, Inc. Method to eliminate clock synchronization from undesired clock sources
US20220224501A1 (en) * 2022-03-29 2022-07-14 Intel Corporation Leader Bootstrapping and Recovery of Time in Time Sensitive Networks

Also Published As

Publication number Publication date
KR102684118B1 (ko) 2024-07-10
KR20220108816A (ko) 2022-08-03
JP7451721B2 (ja) 2024-03-18
EP4068659B1 (en) 2024-06-19
EP4068659A4 (en) 2023-01-18
WO2021139692A1 (zh) 2021-07-15
US20220337384A1 (en) 2022-10-20
JP2023509491A (ja) 2023-03-08
EP4068659A1 (en) 2022-10-05

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